Finding the Fourth Proportional to 1,606,766.56, 2,217,336.72 and 881,618.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606,766.56 : 2,217,336.72 = 881,618.56 : x
2. Step 2: Convert to fraction form
   1,606,766.56/2,217,336.72 = 881,618.56/x
3. Step 3: Cross multiply
   1,606,766.56x = 2,217,336.72 × 881,618.56
4. Step 4: Simplify right side
   1,606,766.56x = 1,954,845,206,121.52
5. Step 5: Solve for x
   x = 1,954,845,206,121.52/1,606,766.56
6. Step 6: Final answer
   x = 1,216,632.99